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有扰离散信道的信道编码是信息论的一条重要定理,它是纠错(?)技术的理论根据。但有关信息论的书籍和文献对该定理所作的数学证明却十分繁锁。本文试图介绍一种描述该定理的简易方法,以使读者易于理解该定理数学证明的要点。本文举有实例说明该定理的物理意义。
Channel coding with discrete channels is an important theorem of information theory and is the theoretical basis of error correction (?) Techniques. However, the information theory of books and literature on the theorem made by the mathematical proof is very complicated. This article attempts to introduce a simple way to describe the theorem so that readers can easily understand the essence of the theorem. This article gives an example to illustrate the physical meaning of the theorem.